2. It does not bother to mention how many calculations are needed to secretly build a valid longer chain with a small stake in a specific PoS system. This is like saying sha512 algo can be cracked, without calculating how many tries one needs to crack it...
I am also looking forward to this in Nxt. But we won't see it. I have seen no one even attempt to do the calcs as I think those *capable* of doing the calcs already know what the answer will be... and the status quo around the N@S 'problem' suits their agenda.